Fastener



FIG. 1 is a top perspective view of a fastener showing my new design;

FIG. 2 is another top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is another bottom perspective view thereof;

FIG. 5 is an elevational view thereof, the opposite side view being thesame;

FIG. 6 is another elevational view thereof, the opposite side view beingthe same;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line showing of the fastener is included for the purpose ofillustrating portions of the article and forms no part of the claimeddesign.

I claim the ornamental design for a fastener, as shown and described.